/*
 * ZTCreateHandler.m
 * ZorgloThèque
 * 
 * Created by Benjamin Dehalu on 26/03/10.
 * 
 * Copyright (c) 2010 Zorglo Software
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the project's author nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#import "ZTCreateHandler.h"
#import "ZTVolumeManagedObject.h"
#import "ZTAuthorManagedObject.h"


@implementation ZTCreateHandler

- (id) initForVolume: (ZTVolumeManagedObject *)volume andAuthor: (ZTAuthorManagedObject *)author forKey: (NSString *) key inContext: (NSManagedObjectContext *) moc {
	if (self = [super init]) {
		zVolume = volume;
		zAuthor = author;
		zKey = key;
		zManagedObjectContext = moc;
	}
	return self;
}

- (void) cancelAction: (id) sender owner: (ZTNotificationOwner *)owner forSelection: (id) selected {
	// We need to 1. remove the current author from the list and 2. add the selected one to the list
	
	NSMutableSet *authors = [zVolume mutableSetValueForKey:zKey];
	
	// Remove
	[authors removeObject:zAuthor];
	[zManagedObjectContext deleteObject:zAuthor];
	// Add
	[authors addObject:selected];
	
	[owner restoreMainView];
}

@end
